| 释义 |
sub-ˈbottom, a.
[sub- 1 e.]
Of or pertaining to what is underneath the sea-bed.
1949Trans. Amer. Geophysical Union XXX. 7 The most clear-cut sub-bottom echoes are found in the region which shows least topographic relief. 1968[see profiling vbl. n. 3]. 1975Petroleum Rev. XXIX. 103/1 Sub-bottom profiler. |